After loosing his wife whp is now with a drug dealer, an inspector is hunting all the drug bosses of the town, helped by his informer.

When a drunkard witnesses a murder committed by his wife's man, he hunts the murderer but later, the drunkard and the informer are killed by the gang.

Later, his wife and the gang kidnap his little boy and he has to fight hard in order to save him. When one of the members of the gang (Shintaro Katsu)is about to kill the boy, the inspector's wife tries to save him and she is badly hurt.

Finally, the inspector and his men succeed in destroying the gang and the boy is saved.